Strip collada kinetic (#198)

* Deleted collada_parser and collada_urdf

* Add README with deprecation notice

* Add missing backtick

Author: sloretz

README.md

@@ -0,0 +1,14 @@
+# Robot Model
+
+`robot_model` contains packages for modeling various aspects of robot information, specified in the Xml Robot Description Format (URDF).
+The core package of this stack is urdf, which parses URDF files, and constructs an object model (C++) of the robot.
+
+## Deprecation
+This repository and the `robot_model` metapackage are deprecated.
+The other packages will continue to be maintained, but are being moved to new repositories.
+More information is available at [`ros/robot_model#195`](https://github.com/ros/robot_model/issues/195).
+
+**Moved Repos**
+
+* `collada_urdf` and `collada_parser`
+    * [`ros/collada_urdf`](https://github.com/ros/collada_urdf)